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प्रश्न
Put a tick mark (✓) against the correct alternative in the following statement:
The smell of good food causes watering of your mouth. It is a
विकल्प
Natural reflex
Acquired relfex
Inborn reflex
Ordinary reflex
उत्तर
Acquired relfex
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संबंधित प्रश्न
What is meant by receptors and effectors? Give two examples of each.
Give the various functions of brain.
The involuntary actions in the body are controlled by :
(a) medulla in forebrain
(b)medulla in hindbrain
(c) medulla in spinal cord
(d) medulla in midbrain
The part of brain which takes part in regulating respiration in the human body is :
(a) medulla
(b) pons
(c) cerebellum
(d) cerebrum
P is a cell (or group of cells) in the human body which is sensitive to a particular type of stimulus and conveys the messages to CNS through nerves Q. On the other hand, R is a part of the human body which can respond to a stimulus according to the instructions sent from the CNS through nerves S.
(a) What is P? Name five organs which contain cells (or group of cells) like P.
(b) Name the nerves Q.
(c) What is R? Give two examples of R.
(d) Name nerves S.
(e) How do messages travel through the nerves Q and S?
List in tabular form two differences between reflex action and walking.
Explain the following term :
Conditioned reflex
What type of reflex is the following?
Blinking of the eye
In reflex action, the reflex arc is formed by ______
State whether the following is simple reflex, conditioned reflex or neither of the two.
Sneezing
